Home / 371,639.37-512,934.21-242,353.38

Finding the Fourth Proportional to 371,639.37, 512,934.21 and 242,353.38

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Solution

The fourth proportional to 371,639.37, 512,934.21 and 242,353.38 is: 334,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,639.37 : 512,934.21 = 242,353.38 : x
  2. Step 2: Convert to fraction form
    371,639.37/512,934.21 = 242,353.38/x
  3. Step 3: Cross multiply
    371,639.37x = 512,934.21 × 242,353.38
  4. Step 4: Simplify right side
    371,639.37x = 124,311,338,299.36
  5. Step 5: Solve for x
    x = 124,311,338,299.36/371,639.37
  6. Step 6: Final answer
    x = 334,494.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.